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Home > Stuff You Should Know > What makes us yawn?
Podcast: Stuff You Should Know
Episode:

What makes us yawn?
Category: Society & Culture
Duration: 00:32:27
Publish Date: 2013-04-25 12:03:32
Description:

What is it that makes us suddenly draw in a deep breath through a wide-open mouth? The beautiful thing about yawning is that researchers really don't know. Whether the answer is physical, mental or even contagious there is pretty much no chance you won't yawn during this episode.

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